Since its launch in 2008 more than 4 million people have used it—2.5 million of them in 2012 alone.

自2008年推出以来，已有400多万人使用它——单是2012年就有250万人。

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It can still be improved after its launch.

游戏发布之后还可以不断改进。

youdao

More than 110m have been sold since its launch in late 2004.

自2004年该款手机推出以来，已售出1.1亿部。

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The agency carried out a test flight of its next-generation launch vehicle for astronauts.

VOA: special.2009.12.30

One of its Falcon rockets has a test launch planned for next month.

VOA: special.2010.04.28

Also,Microsoft plans to launch its seventh version of Windows this October.

VOA: special.2009.07.17

Following its launch in Japan, the system has seen strong demand in the country.

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The National Confidential Alert Line has received 53 calls since its launch last month.

BBC: Scots NHS alert line taking calls from rest of UK

Google Fiber and its launch in three U.S. cities (Kansas City, Austin and Provo).

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